Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007877 | Liquid crystal optical modulation element and optical head device | Yuriko Kaida, Hiromichi Nagayama, Hiroshi Kumai | 2011-08-30 |
| 7986606 | Optical head device | Nobuhiko Takeshita, Tomoki Gunjima | 2011-07-26 |
| 7927186 | Method for producing glass substrate for magnetic disk | Mizuho Ishida | 2011-04-19 |
| 7846515 | Liquid crystal optical modulation element and optical head device | Yuriko Kaida, Hiromichi Nagayama, Hiroshi Kumai | 2010-12-07 |
| 7820250 | Liquid crystal optical modulation element and optical head device | Yuriko Kaida, Hiromichi Nagayama, Hiroshi Kumai | 2010-10-26 |
| 7618690 | Polymerizable liquid crystal compound, liquid crystal composition, optical anisotropic material and optical element | Hiromichi Nagayama, Yuriko Kaida | 2009-11-17 |
| 7534370 | Polymerizable liquid crystal composition, optical anisotropic material, optical element and optical head device | Tomoki Gunjima, Nobuhiko Takeshita, Yuzuru Tanabe, Hiroki Hotaka, Hiromasa Sato | 2009-05-19 |